Revision Notes for CBSE Class 12 Biology Chapter 4 (Biology Reproductive Health) - Free PDF Download
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FAQs on Reproductive Health Class 12 Notes CBSE Biology Chapter 4 (Free PDF Download)
Q1. What are STDs and How can they be Prevented?
Ans. STDs or sexually transmitted diseases are infections or conditions that are transmitted by sexual activities. They are also called venereal diseases or RTI (reproductive tract infections). Few examples of STDs are syphilis, gonorrhea, hepatitis-B, HIV. Aids caused by HIV can also be transmitted by using the same injection with an infected person or any surgical implements like blood transfusion, transmission from infected mother to the fetus, etc. Some of the steps to prevent STDs are:
Avoid sex with multiple partners or unknown people.
Use of condoms during intercourse.
Seeking medical help, if in doubt, for early detection and treatment.
Q2. What is Infertility and What Methods can be Helpful in Infertility?
Ans. Even with unprotected intercourse, if a couple cannot have children, this is termed as infertility. There are numerous reasons for this, such as congenital, immunological, drugs, psychological, etc. Few techniques that can be helpful in the particular case of infertility are:
IVF or In Vitro Fertilization.
Zygote Intra Fallopian Transfer.
Gamete Intra Fallopian Transfer.
Q3. What are the different ways one could contract an STD?
Sexual intimacy is the most common route of infection, other modes of infection also exist based on the disease under study. Vaginal, oral and anal sex are the most common routes of infection. However, skin to skin contact can also be a route of transmission as in the case of herpes. Spread of infection through saliva can also occur in case of syphilis and herpes.
Q4. How to spread awareness regarding STDs and sexual health?
It is important to spread knowledge about Sexually Transmitted Diseases. Campaigns that address these topics can be held in government schools and universities. Posters can be put up on the notice boards of schools. Seminars conducted by healthcare workers in schools can help throw light on the importance of sexual health and reproductive wellbeing.
Q5. Where can I find notes on Reproductive health and STDs?
You can find lesson wise notes prepared by experienced faculty on the Vedantu website and the app. These notes are easily understandable with well-labelled diagrams and verified facts. The notes found on the website can not only be used to understand the topic but can also help you in last-minute revisions before the exam.
Q6. Is Chapter 4 of Class 12 Biology easy?
Class 12 biology can be considerably hard. But, the ease or difficulty of this chapter depends on the student. The main reason for this difficulty is because students find it a challenge to cope with the concept. There are many new concepts that are introduced in this chapter, which demand attention and hence are time-consuming. However, if a student dedicates enough time and tries to understand the concept that’s being taught, it can get easier.
Q7. How to master Chapter 4 of Class 12 Biology?
The notes curated by Vedantu for this chapter provide a brief yet in-depth understanding of the chapter. Concepts are clearly explained with well-labelled diagrams and the notes are written by well-qualified faculty. These notes can be an efficient way to brush up on topics prior to the examination. Focusing on understanding the concept and fundamentals of the chapter will help in mastering this chapter. The revision notes can also be downloaded free of cost to study offline.